Motionless molten salt pump on leverage of pressure variation force
US-12546337-B2 · Feb 10, 2026 · US
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Pumps using negative pressure acting directly on the liquid to be pumped (siphons F04F10/00)
Pumps using negative pressure acting directly on the liquid to be pumped (siphons F04F10/00) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04F3/00 |
| Official title | Pumps using negative pressure acting directly on the liquid to be pumped (siphons F04F10/00) |
| Display label | Pumps using negative pressure acting directly on the liquid to be pumped (siphons F04F10/00) |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Motionless Molten Salt Pump on Leverage of Pressure Variation Force
US-2025188955-A1 · Jun 12, 2025 · US
Vacuum generator and negative pressure dust suction device having same
US-2024057833-A1 · Feb 22, 2024 · US
Air extractor
US-2023375007-A1 · Nov 23, 2023 · US
Method and system for transportating fluid, and device employing system and method
US-2022341407-A1 · Oct 27, 2022 · US
Cryogenic fluid management
US-2021341105-A1 · Nov 4, 2021 · US
Liquid lifting device and liquid lifting method
US-9512857-B2 · Dec 6, 2016 · US
Vacuum system
US-9506478-B2 · Nov 29, 2016 · US
Fluid pumping system and a fluid turbine system including the fluid pumping system
US-9447795-B2 · Sep 20, 2016 · US
Medium exchange system
US-2015344833-A1 · Dec 3, 2015 · US
Liquid lifting device and liquid lifting method
US-2015322969-A1 · Nov 12, 2015 · US
Automatic draining system
US-2015118070-A1 · Apr 30, 2015 · US